TECGEN is a brand of FR apparel used in the electrical, oil & gas and manufacturing industries. Their products use the lightest weight HRC Level 2 product ever tested to date and will make a big difference while wearing them on the job. TECGEN® is a National Safety Apparel® brand. Be sure to explore the shirts, trousers, jeans and coveralls that use TECGEN fiber technology and get the best prices on the internet here at SafetySmartGear.com.